package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    /*
     * 动态查询购物车数据
     * */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /*
     * 根据id修改数量
     * */
    @Update("update shopping_cart set  number =#{number} where id=#{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    @Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, amount, create_time) " +
            "values (#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /*
     * 根据用户id来删除购车
     * */
    @Delete("delete from shopping_cart where user_id=#{userId}")
    void deleteByUserId(Long userId);


    /*
     * 根据id来删除数据
     * */
    @Delete("delete  from shopping_cart where id=#{id}")
    void deleteById(Long id);

    /*
    * 批量添加
    * */
    void insertBatch(List<ShoppingCart> shoppingCartList);

}
